ArticleInternational journal of molecular sciences2013
Physiological and proteomic responses of diploid and tetraploid black locust (Robinia pseudoacacia L.) subjected to salt stress.
Article in International journal of molecular sciences, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers.
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43 citing papers in PubMed.
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- Accession-specific parent-of-origin dependent and independent genome dosage effects on salt tolerance inRoyal Society open science · 2024Article
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- Polyploidization: A Biological Force That Enhances Stress Resistance.International journal of molecular sciences · 2024Review
- Transcriptomic and Phenotypic Analyses Reveal the Molecular Mechanism of Dwarfing in TetraploidInternational journal of molecular sciences · 2024Article
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- Salt Stress Inhibits Photosynthesis and Destroys Chloroplast Structure by Downregulating Chloroplast Development-Related Genes inPlants (Basel, Switzerland) · 2023Article
- Enrichment of intrinsically disordered residues in ohnologs facilitates abiotic stress resilience in Brassica rapa.Journal of plant research · 2023Article
- Impact of genome duplications in drought tolerance and distribution of the diploid-tetraploidFrontiers in plant science · 2023Article
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- Genome-wide characterization of theFrontiers in plant science · 2022Article
- Impact of polyploidy on plant tolerance to abiotic and biotic stresses.Frontiers in plant science · 2022Review
- Responses of two dominant desert plant species to the changes in groundwater depth in hinterland natural oasis, Tarim Basin.Ecology and evolution · 2021Article
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4 authors.
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Abstract
Tetraploid black locust (Robinia pseudoacacia L.) is adaptable to salt stress. Here, we compared morphological, physiological, ultrastructural, and proteomic traits of leaves in tetraploid black locust and its diploid relatives under salt stress. The results showed that diploid (2×) plants suffered from greater negative effects than those of tetraploid (4×) plants. After salt treatment, plant growth was inhibited, photosynthesis was reduced, reactive oxygen species, malondialdehyde content, and relative electrolyte leakage increased, and defense-related enzyme activities decreased in 2× compared to those in 4×. In addition, salt stress resulted in distorted chloroplasts, swollen thylakoid membranes, accumulation of plastoglobules, and increased starch grains in 2× compared to those in 4×. However, 4× developed diverse responses under salt stress. A comparative proteomic analysis revealed that 41 and 37 proteins were differentially expressed in 2× and 4×, respectively. These proteins were mainly involved in photosynthesis, stress and defense, energy, metabolism, transcription/translation, and transportation. Distinct patterns of protein changes between 2× and 4× were analyzed. Collectively, our results suggest that the plants showed significantly different responses to salt stress based on ploidy level of the plant. The 4× possessed a better salt protection mechanism than that of 2×, suggesting salt tolerance in the polyploid plant.
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